Home / 126,589.20-174,689.64-69,998.64

Finding the Fourth Proportional to 126,589.20, 174,689.64 and 69,998.64

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Solution

The fourth proportional to 126,589.20, 174,689.64 and 69,998.64 is: 96,596.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,589.20 : 174,689.64 = 69,998.64 : x
  2. Step 2: Convert to fraction form
    126,589.20/174,689.64 = 69,998.64/x
  3. Step 3: Cross multiply
    126,589.20x = 174,689.64 × 69,998.64
  4. Step 4: Simplify right side
    126,589.20x = 12,228,037,222.09
  5. Step 5: Solve for x
    x = 12,228,037,222.09/126,589.20
  6. Step 6: Final answer
    x = 96,596.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.